25489732 has 12 divisors (see below), whose sum is σ = 47231100. Its totient is φ = 11995136.

The previous prime is 25489729. The next prime is 25489733. The reversal of 25489732 is 23798452.

It can be written as a sum of positive squares in 2 ways, for example, as 22052416 + 3437316 = 4696^2 + 1854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25489733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187357 + ... + 187492.

It is an arithmetic number, because the mean of its divisors is an integer number (3935925).

Almost surely, 2^25489732 is an apocalyptic number.

It is an amenable number.

25489732 is a deficient number, since it is larger than the sum of its proper divisors (21741368).

25489732 is a wasteful number, since it uses less digits than its factorization.

25489732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374870 (or 374868 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 25489732 is about 5048.7356833172. The cubic root of 25489732 is about 294.2987538042.

The spelling of 25489732 in words is "twenty-five million, four hundred eighty-nine thousand, seven hundred thirty-two".